Home / 1,679,605.80-2,519,562.30-682,127.40

Finding the Fourth Proportional to 1,679,605.80, 2,519,562.30 and 682,127.40

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Solution

The fourth proportional to 1,679,605.80, 2,519,562.30 and 682,127.40 is: 1,023,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,605.80 : 2,519,562.30 = 682,127.40 : x
  2. Step 2: Convert to fraction form
    1,679,605.80/2,519,562.30 = 682,127.40/x
  3. Step 3: Cross multiply
    1,679,605.80x = 2,519,562.30 × 682,127.40
  4. Step 4: Simplify right side
    1,679,605.80x = 1,718,662,480,837.02
  5. Step 5: Solve for x
    x = 1,718,662,480,837.02/1,679,605.80
  6. Step 6: Final answer
    x = 1,023,253.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.